I have only one cake,I need some more during the walk.这句话是否正确?

问题描述:

I have only one cake,I need some more during the walk.这句话是否正确?
如果把some more换成two more呢?

如果中间用逗号隔开的话就说明是一句话,所以两个句子中间必须用连词连接起来
I have only one cake,so I need some more during the walk.